Caterpillars of the same species on a large leaf each chew as much leaf as they can. This is an example of
A. amensalism.
B. interference competition.
C. exploitation competition.
D. commensalism.
E. interspecific competition.
C. exploitation competition.
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The overall purpose of DGGE is to
A) separate genomes that are less than 95% similar. B) measure activity of cells that use DGGE as an energy source. C) detect cells that utilize a specific radiolabeled substrate. D) separate genes of the same length that differ in their denaturing profile due to sequence variation.
Lactic acid fermentation occurs in (select all correct answer options):
A. animals and plants. B. plants and bacteria. C. bacteria and animals. D. fungi and bacteria. E. animals and fungi.
Suppose a new species of bacterium is discovered. It contains a form of DNA pol III that can add new nucleotides to either the 5' end or the 3' end of an existing strand. All other properties of the enzyme remain unchanged. How would DNA replication in these bacteria differ from normal replication?
A. DNA gyrase would no longer be required for replication. B. Helicase would no longer be required for replication. C. Both new strands could be synthesized continuously like the leading strand. D. The same polymerase molecule could synthesize both strands at the same time.
The Law of Independent Assortment states that:
A) in meiosis, crossing over creates genetically diverse gametes. B) in gamete formation, gene pairs are transmitted independently of each other. C) in any dihybrid cross, it is possible to get any combination of phenotypes. D) in fertilization, the combining of sperm and eggs is random. E) generation of male and female gametes must occur in separate organisms.